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authorAndre Eisenbach <andre@broadcom.com>2012-02-22 13:18:21 -0800
committerMatthew Xie <mattx@google.com>2012-07-14 11:19:11 -0700
commite448862a47c08eb23185aaed574b39264f5005fc (patch)
tree2bc6246e3091315e77224fd798ea2fe8074ef972 /stack/avct/avct_int.h
parenta2ca4b83ab8bbbfd8d5f6693e927ed4b82094624 (diff)
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Initial Bluedroid stack commit
Diffstat (limited to 'stack/avct/avct_int.h')
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1 files changed, 227 insertions, 0 deletions
diff --git a/stack/avct/avct_int.h b/stack/avct/avct_int.h
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+/*****************************************************************************
+**
+** Name: avct_int.h
+**
+** Description: This file contains interfaces which are internal to AVCTP.
+**
+**
+** Copyright (c) 2003-2008, Broadcom Corp., All Rights Reserved.
+** WIDCOMM Bluetooth Core. Proprietary and confidential.
+**
+*****************************************************************************/
+#ifndef AVCT_INT_H
+#define AVCT_INT_H
+
+#include "gki.h"
+#include "avct_api.h"
+#include "avct_defs.h"
+#include "l2c_api.h"
+
+/*****************************************************************************
+** constants
+*****************************************************************************/
+
+/* lcb state machine events */
+enum {
+ AVCT_LCB_UL_BIND_EVT,
+ AVCT_LCB_UL_UNBIND_EVT,
+ AVCT_LCB_UL_MSG_EVT,
+ AVCT_LCB_INT_CLOSE_EVT,
+ AVCT_LCB_LL_OPEN_EVT,
+ AVCT_LCB_LL_CLOSE_EVT,
+ AVCT_LCB_LL_MSG_EVT,
+ AVCT_LCB_LL_CONG_EVT
+};
+
+
+/* "states" used for L2CAP channel */
+#define AVCT_CH_IDLE 0 /* No connection */
+#define AVCT_CH_CONN 1 /* Waiting for connection confirm */
+#define AVCT_CH_CFG 2 /* Waiting for configuration complete */
+#define AVCT_CH_OPEN 3 /* Channel opened */
+
+/* "no event" indicator used by ccb dealloc */
+#define AVCT_NO_EVT 0xFF
+
+/*****************************************************************************
+** data types
+*****************************************************************************/
+/* sub control block type - common data members for tAVCT_LCB and tAVCT_BCB */
+typedef struct {
+ UINT16 peer_mtu; /* peer l2c mtu */
+ UINT16 ch_result; /* L2CAP connection result value */
+ UINT16 ch_lcid; /* L2CAP channel LCID */
+ UINT8 allocated; /* 0, not allocated. index+1, otherwise. */
+ UINT8 state; /* The state machine state */
+ UINT8 ch_state; /* L2CAP channel state */
+ UINT8 ch_flags; /* L2CAP configuration flags */
+} tAVCT_SCB;
+
+/* link control block type */
+typedef struct {
+ UINT16 peer_mtu; /* peer l2c mtu */
+ UINT16 ch_result; /* L2CAP connection result value */
+ UINT16 ch_lcid; /* L2CAP channel LCID */
+ UINT8 allocated; /* 0, not allocated. index+1, otherwise. */
+ UINT8 state; /* The state machine state */
+ UINT8 ch_state; /* L2CAP channel state */
+ UINT8 ch_flags; /* L2CAP configuration flags */
+ BT_HDR *p_rx_msg; /* Message being reassembled */
+ UINT16 conflict_lcid; /* L2CAP channel LCID */
+ BD_ADDR peer_addr; /* BD address of peer */
+ BUFFER_Q tx_q; /* Transmit data buffer queue */
+ BOOLEAN cong; /* TRUE, if congested */
+} tAVCT_LCB;
+
+/* browse control block type */
+typedef struct {
+ UINT16 peer_mtu; /* peer l2c mtu */
+ UINT16 ch_result; /* L2CAP connection result value */
+ UINT16 ch_lcid; /* L2CAP channel LCID */
+ UINT8 allocated; /* 0, not allocated. index+1, otherwise. */
+ UINT8 state; /* The state machine state */
+ UINT8 ch_state; /* L2CAP channel state */
+ UINT8 ch_flags; /* L2CAP configuration flags */
+ BT_HDR *p_tx_msg; /* Message to be sent - in case the browsing channel is not open when MsgReg is called */
+ UINT8 ch_close; /* CCB index+1, if CCB initiated channel close */
+} tAVCT_BCB;
+
+#define AVCT_ALOC_LCB 0x01
+#define AVCT_ALOC_BCB 0x02
+/* connection control block */
+typedef struct {
+ tAVCT_CC cc; /* parameters from connection creation */
+ tAVCT_LCB *p_lcb; /* Associated LCB */
+ tAVCT_BCB *p_bcb; /* associated BCB */
+ BOOLEAN ch_close; /* Whether CCB initiated channel close */
+ UINT8 allocated; /* Whether LCB/BCB is allocated */
+} tAVCT_CCB;
+
+/* data type associated with UL_MSG_EVT */
+typedef struct {
+ BT_HDR *p_buf;
+ tAVCT_CCB *p_ccb;
+ UINT8 label;
+ UINT8 cr;
+} tAVCT_UL_MSG;
+
+/* union associated with lcb state machine events */
+typedef union {
+ tAVCT_UL_MSG ul_msg;
+ BT_HDR *p_buf;
+ tAVCT_CCB *p_ccb;
+ UINT16 result;
+ BOOLEAN cong;
+ UINT8 err_code;
+} tAVCT_LCB_EVT;
+
+/* Control block for AVCT */
+typedef struct {
+ tAVCT_LCB lcb[AVCT_NUM_LINKS]; /* link control blocks */
+ tAVCT_BCB bcb[AVCT_NUM_LINKS]; /* browse control blocks */
+ tAVCT_CCB ccb[AVCT_NUM_CONN]; /* connection control blocks */
+ UINT16 mtu; /* our L2CAP MTU */
+ UINT16 mtu_br; /* our L2CAP MTU for the Browsing channel */
+ UINT8 trace_level; /* trace level */
+} tAVCT_CB;
+
+/*****************************************************************************
+** function declarations
+*****************************************************************************/
+
+/* LCB function declarations */
+extern void avct_lcb_event(tAVCT_LCB *p_lcb, UINT8 event, tAVCT_LCB_EVT *p_data);
+#if (AVCT_BROWSE_INCLUDED == TRUE)
+extern void avct_bcb_event(tAVCT_BCB *p_bcb, UINT8 event, tAVCT_LCB_EVT *p_data);
+extern void avct_close_bcb(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data);
+extern tAVCT_LCB *avct_lcb_by_bcb(tAVCT_BCB *p_bcb);
+extern tAVCT_BCB *avct_bcb_by_lcb(tAVCT_LCB *p_lcb);
+extern BOOLEAN avct_bcb_last_ccb(tAVCT_BCB *p_bcb, tAVCT_CCB *p_ccb_last);
+extern tAVCT_BCB *avct_bcb_by_lcid(UINT16 lcid);
+#endif
+extern tAVCT_LCB *avct_lcb_by_bd(BD_ADDR bd_addr);
+extern tAVCT_LCB *avct_lcb_alloc(BD_ADDR bd_addr);
+extern void avct_lcb_dealloc(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data);
+extern tAVCT_LCB *avct_lcb_by_lcid(UINT16 lcid);
+extern tAVCT_CCB *avct_lcb_has_pid(tAVCT_LCB *p_lcb, UINT16 pid);
+extern BOOLEAN avct_lcb_last_ccb(tAVCT_LCB *p_lcb, tAVCT_CCB *p_ccb_last);
+
+/* LCB action functions */
+extern void avct_lcb_chnl_open(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data);
+extern void avct_lcb_unbind_disc(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data);
+extern void avct_lcb_open_ind(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data);
+extern void avct_lcb_open_fail(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data);
+extern void avct_lcb_close_ind(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data);
+extern void avct_lcb_close_cfm(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data);
+extern void avct_lcb_bind_conn(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data);
+extern void avct_lcb_chk_disc(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data);
+extern void avct_lcb_chnl_disc(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data);
+extern void avct_lcb_bind_fail(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data);
+extern void avct_lcb_cong_ind(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data);
+extern void avct_lcb_discard_msg(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data);
+extern void avct_lcb_send_msg(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data);
+extern void avct_lcb_msg_ind(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data);
+extern void avct_lcb_free_msg_ind(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data);
+
+/* BCB action functions */
+#if (AVCT_BROWSE_INCLUDED == TRUE)
+typedef void (*tAVCT_BCB_ACTION)(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data);
+extern void avct_bcb_chnl_open(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data);
+extern void avct_bcb_unbind_disc(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data);
+extern void avct_bcb_open_ind(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data);
+extern void avct_bcb_open_fail(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data);
+extern void avct_bcb_close_ind(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data);
+extern void avct_bcb_close_cfm(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data);
+extern void avct_bcb_bind_conn(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data);
+extern void avct_bcb_chk_disc(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data);
+extern void avct_bcb_chnl_disc(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data);
+extern void avct_bcb_bind_fail(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data);
+extern void avct_bcb_cong_ind(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data);
+extern void avct_bcb_discard_msg(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data);
+extern void avct_bcb_send_msg(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data);
+extern void avct_bcb_msg_ind(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data);
+extern void avct_bcb_free_msg_ind(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data);
+
+extern void avct_bcb_dealloc(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data);
+
+extern const tAVCT_BCB_ACTION avct_bcb_action[];
+extern const UINT8 avct_lcb_pkt_type_len[];
+extern const tL2CAP_FCR_OPTS avct_l2c_br_fcr_opts_def;
+#endif
+
+/* CCB function declarations */
+extern tAVCT_CCB *avct_ccb_alloc(tAVCT_CC *p_cc);
+extern void avct_ccb_dealloc(tAVCT_CCB *p_ccb, UINT8 event, UINT16 result, BD_ADDR bd_addr);
+extern UINT8 avct_ccb_to_idx(tAVCT_CCB *p_ccb);
+extern tAVCT_CCB *avct_ccb_by_idx(UINT8 idx);
+
+
+/*****************************************************************************
+** global data
+*****************************************************************************/
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+/* Main control block */
+#if AVCT_DYNAMIC_MEMORY == FALSE
+AVCT_API extern tAVCT_CB avct_cb;
+#else
+AVCT_API extern tAVCT_CB *avct_cb_ptr;
+#define avct_cb (*avct_cb_ptr)
+#endif
+
+/* L2CAP callback registration structure */
+extern const tL2CAP_APPL_INFO avct_l2c_appl;
+#if (AVCT_BROWSE_INCLUDED == TRUE)
+extern const tL2CAP_APPL_INFO avct_l2c_br_appl;
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* AVCT_INT_H */
+
+